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Miniature Angular Contact Ball Bearings 718/7AC

Miniature Angular Contact Ball Bearings 718/7AC

The 718/7AC is a compact angular contact ball bearing measuring 7mm by 14mm by 5mm, designed for precision applications. It comes in sealed or open variants, with a 25° contact angle for handling combined loads.

Made from durable steel or ceramic balls, it features a nylon or phenolic cage for smooth operation. The bearing is preloaded and available in high-precision ABEC-5 or ABEC-15 grades.

Its universal matching design allows flexible arrangement in various setups. Ideal for small machinery, medical devices, or optical instruments where space and precision are key.

The lubricated version ensures quiet running, while the sealed option offers added protection in dusty environments. A reliable choice for demanding miniature applications.

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Product Parameters

  • Part Number 718/7AC
  • Brand TFL
  • Bore Dia 7 mm
  • Outer Dia 14 mm
  • Width 5 mm
  • System of Measurement Metric
  • Contact Angle 25°
  • Seal Type Sealed,Open
  • Matched Arrangement Universal matching
  • Preload Available
  • For Load Direction Angular Contact
  • Ball Material Steel,Ceramic
  • Cage Material Nylon,Phenolic
  • Lubrication Lubricated
  • ABEC Rating P5(ABEC-5),P4(ABEC-15)
Miniature Angular Contact Ball Bearings 718/7AC dimension drawing
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Features

How Is 718/7AC Bearing Engineered for Reliability?

718/7AC Bearing features a 25° contact angle, optimising load distribution for angular contact applications.
Its universal matching design allows flexible arrangement, ensuring smooth operation in various configurations.

The sealed or open options provide versatility, catering to different environmental needs.
With ABEC-5 and ABEC-15 precision ratings, 718/7AC Bearing delivers consistent performance in high-speed applications.

Available with steel or ceramic balls, it offers a balance of durability and efficiency.
The nylon or phenolic cage further enhances its reliability by reducing friction and wear.

Application

Essential Roles of 718/7AC Bearing
718/7AC Bearing is widely used in precision instruments like dental drills and optical devices, where its small size and angular contact design ensure accurate performance. The sealed options help keep contaminants out, extending the bearing’s life in sensitive environments.

In robotics, 718/7AC Bearing is a go-to for joint mechanisms, thanks to its low friction and high-speed capability. The universal matching feature allows for flexible installation, making it ideal for compact robotic arms.

For consumer electronics, 718/7AC Bearing works well in devices like handheld fans and small motors, where space is limited. Its lightweight construction and smooth operation make it a reliable choice for everyday gadgets.

The 718/7AC Bearing also fits well in automation systems, particularly in linear guides and small actuators. The availability of ceramic balls adds durability for high-performance applications.

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